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| Sub-Chapter | 2005 | 2006 | 2007 | 2009 | 2010 | 2011 |
| Molybdenum and articles thereof, including waste and scrap. | $557 | | | | | |
| Tantalum and articles thereof, including waste and scrap. | | | $4,607 | | | |
| Magnesium and articles thereof, including waste and scrap. | | | | $59 | | |
| Cobalt mattes and other intermediate products of cobalt metallurgy | | | $2,824 | | $3,582 | |
| Bismuth and articles thereof, including waste and scrap. | | | | | | $875 |
| Titanium and articles thereof, including waste and scrap. | | $377,474 | | | | |
| Zirconium and articles thereof, including waste and scrap. | | | $2,122 | | | |
| Total | $557 | $377,474 | $9,553 | $59 | $3,582 | $875 |
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